411 lines
9.8 KiB
PHP
411 lines
9.8 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
|
|
* @author Bart Visscher <bartv@thisnet.nl>
|
|
* @author Björn Schießle <bjoern@schiessle.org>
|
|
* @author Jakob Sack <mail@jakobsack.de>
|
|
* @author Joas Schilling <coding@schilljs.com>
|
|
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
|
|
* @author Klaas Freitag <freitag@owncloud.com>
|
|
* @author Markus Goetz <markus@woboq.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Robin Appelman <robin@icewind.nl>
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
* @author Vincent Petry <pvince81@owncloud.com>
|
|
*
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OCA\DAV\Connector\Sabre;
|
|
|
|
use OC\Files\Mount\MoveableMount;
|
|
use OC\Files\View;
|
|
use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
|
|
use OCP\Files\FileInfo;
|
|
use OCP\Files\StorageNotAvailableException;
|
|
use OCP\Share\Exceptions\ShareNotFound;
|
|
use OCP\Share\IManager;
|
|
use OCP\Share;
|
|
use OCP\Share\IShare;
|
|
|
|
|
|
abstract class Node implements \Sabre\DAV\INode {
|
|
|
|
/**
|
|
* @var \OC\Files\View
|
|
*/
|
|
protected $fileView;
|
|
|
|
/**
|
|
* The path to the current node
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $path;
|
|
|
|
/**
|
|
* node properties cache
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $property_cache = null;
|
|
|
|
/**
|
|
* @var \OCP\Files\FileInfo
|
|
*/
|
|
protected $info;
|
|
|
|
/**
|
|
* @var IManager
|
|
*/
|
|
protected $shareManager;
|
|
|
|
/**
|
|
* Sets up the node, expects a full path name
|
|
*
|
|
* @param \OC\Files\View $view
|
|
* @param \OCP\Files\FileInfo $info
|
|
* @param IManager $shareManager
|
|
*/
|
|
public function __construct(View $view, FileInfo $info, IManager $shareManager = null) {
|
|
$this->fileView = $view;
|
|
$this->path = $this->fileView->getRelativePath($info->getPath());
|
|
$this->info = $info;
|
|
if ($shareManager) {
|
|
$this->shareManager = $shareManager;
|
|
} else {
|
|
$this->shareManager = \OC::$server->getShareManager();
|
|
}
|
|
}
|
|
|
|
protected function refreshInfo() {
|
|
$this->info = $this->fileView->getFileInfo($this->path);
|
|
}
|
|
|
|
/**
|
|
* Returns the name of the node
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getName() {
|
|
return $this->info->getName();
|
|
}
|
|
|
|
/**
|
|
* Returns the full path
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getPath() {
|
|
return $this->path;
|
|
}
|
|
|
|
/**
|
|
* Renames the node
|
|
*
|
|
* @param string $name The new name
|
|
* @throws \Sabre\DAV\Exception\BadRequest
|
|
* @throws \Sabre\DAV\Exception\Forbidden
|
|
*/
|
|
public function setName($name) {
|
|
|
|
// rename is only allowed if the update privilege is granted
|
|
if (!$this->info->isUpdateable()) {
|
|
throw new \Sabre\DAV\Exception\Forbidden();
|
|
}
|
|
|
|
list($parentPath,) = \Sabre\Uri\split($this->path);
|
|
list(, $newName) = \Sabre\Uri\split($name);
|
|
|
|
// verify path of the target
|
|
$this->verifyPath();
|
|
|
|
$newPath = $parentPath . '/' . $newName;
|
|
|
|
if (!$this->fileView->rename($this->path, $newPath)) {
|
|
throw new \Sabre\DAV\Exception('Failed to rename '. $this->path . ' to ' . $newPath);
|
|
}
|
|
|
|
$this->path = $newPath;
|
|
|
|
$this->refreshInfo();
|
|
}
|
|
|
|
public function setPropertyCache($property_cache) {
|
|
$this->property_cache = $property_cache;
|
|
}
|
|
|
|
/**
|
|
* Returns the last modification time, as a unix timestamp
|
|
*
|
|
* @return int timestamp as integer
|
|
*/
|
|
public function getLastModified() {
|
|
$timestamp = $this->info->getMtime();
|
|
if (!empty($timestamp)) {
|
|
return (int)$timestamp;
|
|
}
|
|
return $timestamp;
|
|
}
|
|
|
|
/**
|
|
* sets the last modification time of the file (mtime) to the value given
|
|
* in the second parameter or to now if the second param is empty.
|
|
* Even if the modification time is set to a custom value the access time is set to now.
|
|
*/
|
|
public function touch($mtime) {
|
|
$mtime = $this->sanitizeMtime($mtime);
|
|
$this->fileView->touch($this->path, $mtime);
|
|
$this->refreshInfo();
|
|
}
|
|
|
|
/**
|
|
* Returns the ETag for a file
|
|
*
|
|
* An ETag is a unique identifier representing the current version of the
|
|
* file. If the file changes, the ETag MUST change. The ETag is an
|
|
* arbitrary string, but MUST be surrounded by double-quotes.
|
|
*
|
|
* Return null if the ETag can not effectively be determined
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getETag() {
|
|
return '"' . $this->info->getEtag() . '"';
|
|
}
|
|
|
|
/**
|
|
* Sets the ETag
|
|
*
|
|
* @param string $etag
|
|
*
|
|
* @return int file id of updated file or -1 on failure
|
|
*/
|
|
public function setETag($etag) {
|
|
return $this->fileView->putFileInfo($this->path, array('etag' => $etag));
|
|
}
|
|
|
|
/**
|
|
* Returns the size of the node, in bytes
|
|
*
|
|
* @return integer
|
|
*/
|
|
public function getSize() {
|
|
return $this->info->getSize();
|
|
}
|
|
|
|
/**
|
|
* Returns the cache's file id
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getId() {
|
|
return $this->info->getId();
|
|
}
|
|
|
|
/**
|
|
* @return string|null
|
|
*/
|
|
public function getFileId() {
|
|
if ($this->info->getId()) {
|
|
$instanceId = \OC_Util::getInstanceId();
|
|
$id = sprintf('%08d', $this->info->getId());
|
|
return $id . $instanceId;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @return integer
|
|
*/
|
|
public function getInternalFileId() {
|
|
return $this->info->getId();
|
|
}
|
|
|
|
/**
|
|
* @param string $user
|
|
* @return int
|
|
*/
|
|
public function getSharePermissions($user) {
|
|
|
|
// check of we access a federated share
|
|
if ($user !== null) {
|
|
try {
|
|
$share = $this->shareManager->getShareByToken($user);
|
|
return $share->getPermissions();
|
|
} catch (ShareNotFound $e) {
|
|
// ignore
|
|
}
|
|
}
|
|
|
|
try {
|
|
$storage = $this->info->getStorage();
|
|
} catch (StorageNotAvailableException $e) {
|
|
$storage = null;
|
|
}
|
|
|
|
if ($storage && $storage->instanceOfStorage('\OCA\Files_Sharing\SharedStorage')) {
|
|
/** @var \OCA\Files_Sharing\SharedStorage $storage */
|
|
$permissions = (int)$storage->getShare()->getPermissions();
|
|
} else {
|
|
$permissions = $this->info->getPermissions();
|
|
}
|
|
|
|
/*
|
|
* We can always share non moveable mount points with DELETE and UPDATE
|
|
* Eventually we need to do this properly
|
|
*/
|
|
$mountpoint = $this->info->getMountPoint();
|
|
if (!($mountpoint instanceof MoveableMount)) {
|
|
$mountpointpath = $mountpoint->getMountPoint();
|
|
if (substr($mountpointpath, -1) === '/') {
|
|
$mountpointpath = substr($mountpointpath, 0, -1);
|
|
}
|
|
|
|
if (!$mountpoint->getOption('readonly', false) && $mountpointpath === $this->info->getPath()) {
|
|
$permissions |= \OCP\Constants::PERMISSION_DELETE | \OCP\Constants::PERMISSION_UPDATE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Files can't have create or delete permissions
|
|
*/
|
|
if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
|
|
$permissions &= ~(\OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_DELETE);
|
|
}
|
|
|
|
return $permissions;
|
|
}
|
|
|
|
/**
|
|
* @param string $user
|
|
* @return string
|
|
*/
|
|
public function getNoteFromShare($user) {
|
|
if ($user === null) {
|
|
return '';
|
|
}
|
|
|
|
$types = [
|
|
Share::SHARE_TYPE_USER,
|
|
Share::SHARE_TYPE_GROUP,
|
|
Share::SHARE_TYPE_CIRCLE,
|
|
Share::SHARE_TYPE_ROOM
|
|
];
|
|
|
|
foreach ($types as $shareType) {
|
|
$shares = $this->shareManager->getSharedWith($user, $shareType, $this, -1);
|
|
foreach ($shares as $share) {
|
|
$note = $share->getNote();
|
|
if($share->getShareOwner() !== $user && !empty($note)) {
|
|
return $note;
|
|
}
|
|
}
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* @return string
|
|
*/
|
|
public function getDavPermissions() {
|
|
$p = '';
|
|
if ($this->info->isShared()) {
|
|
$p .= 'S';
|
|
}
|
|
if ($this->info->isShareable()) {
|
|
$p .= 'R';
|
|
}
|
|
if ($this->info->isMounted()) {
|
|
$p .= 'M';
|
|
}
|
|
if ($this->info->isReadable()) {
|
|
$p .= 'G';
|
|
}
|
|
if ($this->info->isDeletable()) {
|
|
$p .= 'D';
|
|
}
|
|
if ($this->info->isUpdateable()) {
|
|
$p .= 'NV'; // Renameable, Moveable
|
|
}
|
|
if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
|
|
if ($this->info->isUpdateable()) {
|
|
$p .= 'W';
|
|
}
|
|
} else {
|
|
if ($this->info->isCreatable()) {
|
|
$p .= 'CK';
|
|
}
|
|
}
|
|
return $p;
|
|
}
|
|
|
|
public function getOwner() {
|
|
return $this->info->getOwner();
|
|
}
|
|
|
|
protected function verifyPath() {
|
|
try {
|
|
$fileName = basename($this->info->getPath());
|
|
$this->fileView->verifyPath($this->path, $fileName);
|
|
} catch (\OCP\Files\InvalidPathException $ex) {
|
|
throw new InvalidPath($ex->getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
*/
|
|
public function acquireLock($type) {
|
|
$this->fileView->lockFile($this->path, $type);
|
|
}
|
|
|
|
/**
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
*/
|
|
public function releaseLock($type) {
|
|
$this->fileView->unlockFile($this->path, $type);
|
|
}
|
|
|
|
/**
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
*/
|
|
public function changeLock($type) {
|
|
$this->fileView->changeLock($this->path, $type);
|
|
}
|
|
|
|
public function getFileInfo() {
|
|
return $this->info;
|
|
}
|
|
|
|
protected function sanitizeMtime($mtimeFromRequest) {
|
|
// In PHP 5.X "is_numeric" returns true for strings in hexadecimal
|
|
// notation. This is no longer the case in PHP 7.X, so this check
|
|
// ensures that strings with hexadecimal notations fail too in PHP 5.X.
|
|
$isHexadecimal = is_string($mtimeFromRequest) && preg_match('/^\s*0[xX]/', $mtimeFromRequest);
|
|
if ($isHexadecimal || !is_numeric($mtimeFromRequest)) {
|
|
throw new \InvalidArgumentException('X-OC-MTime header must be an integer (unix timestamp).');
|
|
}
|
|
|
|
return (int)$mtimeFromRequest;
|
|
}
|
|
|
|
}
|